//geolocation
function getLocation(){
  if (navigator.geolocation){
    navigator.geolocation.getCurrentPosition(showPosition);
  }else{
	  x.innerHTML="Geolocation is not supported by this browser.";
  }
}

function showPosition(position){
	alert("Latitude: " + position.coords.latitude +	"<br />Longitude: " + position.coords.longitude);	
}